A man throws a ball weighing 200 g vertically upwards with a speed of 10m/s. Its momentum at the highest point of its flight will be:

Q. A man throws a ball weighing $500g$ vertically upwards with a speed of $10m/s$
(i) what will be its initial momentum?
(ii) What would be its momentum at the highest point of its flight?

Q. A man is standing on a cart moving with a constant velocity $10\text{m/s}$, facing the direction of motion, throws a ball vertically upwards at $5\text{m/s}$ with respect to himself. Then as observed from ground the ball will follow

Q. A ball is projected from top of a tower with a velocity of 5 m/s at an angle of ${53}^{\circ }$ to horizontal. Its speed when it is at a height of $0.45m$ from the point of projection is (Take $g=10m/s^2$)

Q. A boy throws a ball upwards at ${60}^o$ to the horizontal with a speed of $80m/s$ and it reaches the maximum height $H$ , If he throws the same ball vertically downward from a height of $H$ with initial speed of $40m/s$ , The ball will reach ground with speed nearly: